Home / 12,372,809.43-18,560,478.21-4,285,770.04

Finding the Fourth Proportional to 12,372,809.43, 18,560,478.21 and 4,285,770.04

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Solution

The fourth proportional to 12,372,809.43, 18,560,478.21 and 4,285,770.04 is: 6,429,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372,809.43 : 18,560,478.21 = 4,285,770.04 : x
  2. Step 2: Convert to fraction form
    12,372,809.43/18,560,478.21 = 4,285,770.04/x
  3. Step 3: Cross multiply
    12,372,809.43x = 18,560,478.21 × 4,285,770.04
  4. Step 4: Simplify right side
    12,372,809.43x = 79,545,941,447,619.78
  5. Step 5: Solve for x
    x = 79,545,941,447,619.78/12,372,809.43
  6. Step 6: Final answer
    x = 6,429,092.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.